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4GBF

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ID = 10596
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Vacuum Pentode   Power/Output 
Identical to 4GBF = B443_4pin
Similar Tubes
Other base:
  B443

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
e_castilla_4gbf.jpg
4GBF: PROPIA
Pedro Prieto-Castro

 
4gbf_so.png
4GBF: rtt
Michael Schlör

 
4gbf_spec.png
4GBF: Castilla 1930
Anonymous 15 Collector


Usage in Models 1= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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